the minimum and maximum fill marks. See
the engine operation manual for recom-
mended lubricants.
4.
Check the power steering reservoir fluid level.
The power steering fluid level should be between
the MIN COLD mark and the middle mark just
above it. See
Fig. 25.5. If needed, fill the reser-
voir with automatic transmission fluid that meets
Dexron III or TES-389 specifications.
NOTICE
Low coolant could result in engine overheating,
which could cause engine damage.
IMPORTANT: The surge tank must be cool to
check the coolant level.
5.
Check the engine coolant level in the radiator
surge tank. See Fig. 25.6.
NOTICE
Coolant must be filled to the COLD MAX line of
the surge tank. Low coolant could result in en-
gine overheating, which could cause engine dam-
age.
5.1
If the coolant is low, fill the surge tank to
the MAX line with a 50/50 mixture of water
and the type of antifreeze currently in-
stalled in your vehicle.
5.2
If the surge tank was empty, start the en-
gine after refilling and check the level
again when the engine is at operating
temperature.
6.
Inspect visible engine wiring for damage or
looseness. Check for loose wiring, chafed insula-
tion, and damaged or loose hold-down clamps.
7.
Inspect visible frame rails for missing bolts, shiny
areas, or rust streaks.
Cab Inspection
1.
Push the reset button on the dash-mounted air
intake restriction indicator, if equipped.
2.
With the ignition switch in the OFF position,
check the air-pressure warning system.
NOTE: The low-air warning buzzer only
works when the park brake is released. The
low-air warning buzzer is silenced when the
park brake is set.
f462252a04/30/2020
1
2
3
NOTE: Typical reservoir shown; configurations may
vary.
1. Filler Cap
2. MAX Fill Line
3. COLD MIN Fill Line
Fig. 25.5, Power Steering Fluid Reservoir
03/14/2016 f200864
1
2
3
4
1. Pressure Relief Cap
2. Filler Cap
3. COLD MAX Fill Line
4. COLD MIN Fill Line
Fig. 25.6, Coolant Surge Tank
Pre- and Post-Trip Inspections and Maintenance
25.5
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